In this Aug. 6, 2009, file photo Los Angeles Police Department Chief William Bratton speaks in the Hollywood of Los Angeles. Bratton's department developed the program, known as iWATCH, and calls it the 21st century version of Neighborhood Watch. The nation's big city police chiefs are expected to endorse the anti-terrorism community watch program to educate more people than ever about what behavior is truly suspicious and ought to be reported to police. (AP Photo/Philip Scott Andrews, FILE)